Obtaining animal serum.



RIF'HARD HEINRICH DEUTSCHMANN, OF HAMBURG, GERMANY OBTAINING ANIIEIAL Application filed August 14, 1905.

To all whom it may concern:

Be it known that l, RICHARD HEINRICH DEUTSCHMANN, a, citizen of the German Empire, and resident of Hamburg, Germany, have invented certain new and useful limprovements Relatingito Methods of Obtein- 111;; Animal Serum, of which'the following is as ecificetion. v

his invention relates to an improved method of obtaining animal serum for medical purposes. I

'With the methods hitherto employed, animals were infected with the eiiciters of the disease egeinst wvhich the serum is intended to he used. For this purpose the animals received first injections of very small quantities of the diseese-exciters, which quantities were gradually increased, until the animals Were rendered immune against the poisonous scrum, whereupon the blood was Withdrevm from the animals. Out of this blood the serum was separated.

With my improved method, the animals are not infected at all with the disease-ex citers, but are treated With ordinary innoxious or n0n-virulent .yeast. The latter is given to the animals either together with the ligiecification of Letters Patent.

such food or by injection of'e serum which is taken from an animal which has undergone the J latented March 9, 1909.

Serial No. 3550,5139. (Specimens) yeast treatment in e setisiectory manner. T he yeast is introduced into the animal system in gradually increasing doses, which depend upon the organism oi the animal to he treated and upon the ego, weigl'it and ordinary food of such animal. In this We there are accumulated in the. olood of the enimei, substances active against human and animal diseases, 6. 2., substances which ell ectively assist the organisms intheir struggle against diseases. teined Within the serum. in a concentrated form, so that an indifferent, polyvel senim may thus he obtained from the blood of the animals treated.

' I claim:

Method of obtaining animal serum, which consists in adding yeast to the food fed to en enimel in e systematic men'neruntil the curative serum .is developed, and separating the serum from theblood of theenimel, substantially specified.

Signed by me at Hamburg t of July W06.

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Witnesses:

F. JULIUS Pores, O'rro W HnLmmroii.

his 25th day The substances are (3031* 

